```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>B+树节点大小优化指南</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css">
    <link rel="stylesheet" href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Serif SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            color: #333;
            line-height: 1.6;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .highlight {
            position: relative;
            z-index: 1;
        }
        .highlight:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: -0.1em;
            right: -0.1em;
            height: 0.4em;
            background-color: rgba(79, 70, 229, 0.3);
            z-index: -1;
            transform: rotate(-0.5deg);
        }
        .drop-cap:first-letter {
            float: left;
            font-size: 4.5rem;
            line-height: 0.65;
            margin: 0.1em 0.2em 0 0;
            color: #4f46e5;
            font-weight: bold;
        }
    </style>
</head>
<body class="bg-gray-50">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-24 px-6">
        <div class="max-w-5xl mx-auto">
            <div class="flex flex-col items-center text-center">
                <h1 class="text-5xl font-bold mb-6 leading-tight">B+树节点大小优化<br>设计与性能权衡</h1>
                <p class="text-xl text-indigo-100 max-w-3xl mb-8">探索数据库核心数据结构的关键设计决策及其对系统性能的深远影响</p>
                <div class="flex space-x-4">
                    <div class="flex items-center">
                        <i class="fas fa-microchip text-indigo-200 mr-2"></i>
                        <span class="text-indigo-200">硬件特性</span>
                    </div>
                    <div class="flex items-center">
                        <i class="fas fa-chart-line text-indigo-200 mr-2"></i>
                        <span class="text-indigo-200">性能优化</span>
                    </div>
                    <div class="flex items-center">
                        <i class="fas fa-database text-indigo-200 mr-2"></i>
                        <span class="text-indigo-200">存储效率</span>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <div class="max-w-5xl mx-auto px-6 py-16">
        <!-- Introduction -->
        <section class="mb-20">
            <p class="text-xl text-gray-600 mb-8 leading-relaxed drop-cap">在设计和使用B+树时，确定每个节点的大小是一个至关重要的问题，因为它直接影响数据库的性能和存储效率。节点的大小通常与存储设备的页大小（Page Size）有关，因此确定一个合适的节点大小需要综合考虑多种因素。</p>
            
            <div class="grid md:grid-cols-2 gap-8 mt-12">
                <div class="bg-white rounded-xl shadow-md overflow-hidden card-hover">
                    <div class="p-8">
                        <div class="flex items-center mb-4">
                            <div class="flex items-center justify-center w-12 h-12 rounded-full bg-indigo-100 text-indigo-600 mr-4">
                                <i class="fas fa-hdd text-xl"></i>
                            </div>
                            <h3 class="text-xl font-bold text-gray-800">关键设计考量</h3>
                        </div>
                        <p class="text-gray-600 mt-2">B+树节点大小的